18192910919102 has 4 divisors (see below), whose sum is σ = 27289366378656. Its totient is φ = 9096455459550.

The previous prime is 18192910919093. The next prime is 18192910919173. The reversal of 18192910919102 is 20191901929181.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4548227729774 + ... + 4548227729777.

It is an arithmetic number, because the mean of its divisors is an integer number (6822341594664).

Almost surely, 2^{18192910919102} is an apocalyptic number.

18192910919102 is a deficient number, since it is larger than the sum of its proper divisors (9096455459554).

18192910919102 is an equidigital number, since it uses as much as digits as its factorization.

18192910919102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9096455459553.

The product of its (nonzero) digits is 209952, while the sum is 53.

The spelling of 18192910919102 in words is "eighteen trillion, one hundred ninety-two billion, nine hundred ten million, nine hundred nineteen thousand, one hundred two".